#!python
# -*- mode: python; Encoding: utf-8; coding: utf-8 -*-
# Last updated: <2025/11/02 14:08:27 +0900>
"""
Drag and drop file to Listbox from Windows explorer.
use tkinterdnd2.

pip install tkinterdnd2

* Windows11 x64 25H2 + Python 3.10.10 64bit + tkinterdnd2 0.4.3
"""

import tkinter as tk
from tkinterdnd2 import *

# from tkinterdnd2 import DND_FILES, TkinterDnD


def all_clear():
    """Listbox all clear"""
    listbox.delete(0, tk.END)


def get_list_from_listbox():
    """Get list from Listbox"""
    flist = list(listbox.get(0, tk.END))
    return flist


def drop(event):
    """Drop and drop to filer"""
    if listbox.get(0) == "Please file drop":
        listbox.delete(0, tk.END)

    lst = list(root.tk.splitlist(event.data))
    # lst.sort()
    for s in lst:
        listbox.insert(tk.END, s)

    for s in get_list_from_listbox():
        print(f"[{s}]")


# Main window
root = TkinterDnD.Tk()
root.title("Drag and drop to Listbox")
# root.geometry("640x200")

LISTBOX_LIST_INIT = [
    "Please file drop",
    "test 1 hoge fuga piyo",
    "test 2",
    "test 3",
    "test 4",
    "test 5",
    "test 6 Ut incididunt non amet elit reprehenderit elit cillum eu nostrud velit.",
    "test 7",
    "test 8",
    "test 9",
]

frm = tk.Frame(root, relief=tk.GROOVE, bd=4)

listbox = tk.Listbox(
    frm,
    width=40,
    height=5,
    font=("Meiryo UI", 14),
    justify="left",
    selectmode=tk.EXTENDED,
)

for s in LISTBOX_LIST_INIT:
    listbox.insert(tk.END, s)

# scrollbar
scrlbary = tk.Scrollbar(frm, orient=tk.VERTICAL, command=listbox.yview)
scrlbarx = tk.Scrollbar(frm, orient=tk.HORIZONTAL, command=listbox.xview)
listbox.configure(yscrollcommand=scrlbary.set)
listbox.configure(xscrollcommand=scrlbarx.set)

btn = tk.Button(root, text="List Clear", command=all_clear)

# layout
frm.pack(fill=tk.BOTH, expand=True, padx=12, pady=12)
listbox.grid(row=0, column=0, sticky=tk.NSEW)
scrlbary.grid(row=0, column=1, sticky=tk.NS)
scrlbarx.grid(row=1, column=0, sticky=tk.EW)
frm.grid_columnconfigure(0, weight=1)
frm.grid_rowconfigure(0, weight=1)

btn.pack(padx=8, pady=8)

# drag and drop bind
listbox.drop_target_register(DND_FILES)
listbox.dnd_bind("<<Drop>>", drop)

root.mainloop()